UNITED STATIONERS INC

CUSIP: 91300410 Class: COM

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

Note: Option positions (PUT/CALL) are excluded.

Q1 2015
Shares 30,917 Value ($000) $1,267 Avg Close — Range —
Q4 2014
Shares 71,402 Value ($000) $3,010 Avg Close — Range —
Q3 2014
Shares 27,257 Value ($000) $1,024 Avg Close — Range —
Q4 2013
Shares 74,038 Value ($000) $3,398 Avg Close — Range —
Q3 2013
Shares 72,625 Value ($000) $3,159 Avg Close — Range —